User's Manual

3. Block diagram
8BIT
CPU
RECEIVER
CIRCUIT
POWER
SOURCE(5V)
data
DOORLOCK
CONTROLER
Signal of vehicle status
input
output
12V (car battery)
5MHz
313.85MHz
EEPROM
DRIVE
CIRCUIT
figure 3.1 block diagram of the receiver
ANT

COMPA‑
RATOR
LOW‑Freq.

AMP
LOCAL‑OSC
LP
FILTER
RF‑OSC RF‑AMP BP
FILTER
CPU
figure 3.2 block diagram （receiver Circuit）
- 3 -